(Thraupidae; Ϯ Sulphur-rumped Tanager H. rubrifrons) Gr. ἑτερος heteros  different, another; σπιγγος spingos  finch  < σπιζω spizō  to chirp; "Genus Heterospingus.  (Type, Tachyphonus rubrifrons Lawrence.)   Similar to Tachyphonus Vieillot, but nasal fossæ densely feathered, concealing the nostrils; tail relatively much shorter, wing more pointed, tarsus shorter (scarcely exceeding middle toe with claw), and sexes alike in color or nearly so in pattern of coloration." (Ridgway 1898).

Search for more names on the Key to Scientific Names in Ornithology by James A. Jobling.
Recommended citation
Jobling, J. A. (2019). Key to Scientific Names in Ornithology. In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2019). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from www.hbw.com on 16 January 2019).